You may suffer from thyroid disorders if you have been doing odorless work for a long time. Thyroid disorders are generally common clinical endocrine diseases, including goiter, thyroid tumor, thyroiditis, hyperthyroidism and hypothyroidism. The onset of thyroid disease is related to autoimmunity, iodine deficiency, genetics, drugs, and environmental factors. Long-term work with odor, the human body may be exposed to odor in the chemical substances, such as herbicides, insecticides, fungicides, plastic plasticizers, detergents, flame retardants, chemicals, they have PCBs, dioxins, pesticides, antifungal compounds, metals and other components. According to research findings, these chemical components may lead to the occurrence of thyroid disease, play a direct role in destroying the thyroid gland or combine with the thyroid gland receptor to destroy the function of the thyroid gland and interfere with the synthesis and removal of thyroid hormones, thus causing the occurrence of the disease. Therefore, people who have been exposed to chemicals for a long period of time should have regular medical checkups and consult a medical professional for treatment.